9cf12a7d58
Before $ ./cve-check tiff using srcpkgs/tiff/cve-check. CVE: CVE-2017-17095 SEVERITY: 6.8 CVE: CVE-2017-17942 SEVERITY: 6.8 CVE: CVE-2017-18013 SEVERITY: 4.3 CVE: CVE-2018-10126 SEVERITY: 4.3 CVE: CVE-2018-10963 SEVERITY: 4.3 CVE: CVE-2018-12900 SEVERITY: 6.8 CVE: CVE-2018-5784 SEVERITY: 4.3 CVE: CVE-2018-7456 SEVERITY: 4.3 CVE: CVE-2018-8905 SEVERITY: 6.8 After $ cve-check tiff using srcpkgs/tiff/cve-check. CVE: CVE-2017-17942 SEVERITY: 6.8 CVE: CVE-2018-10126 SEVERITY: 4.3 CVE: CVE-2018-12900 SEVERITY: 6.8
105 lines
3.2 KiB
Diff
105 lines
3.2 KiB
Diff
diff --git a/contrib/addtiffo/tif_overview.c b/contrib/addtiffo/tif_overview.c
|
|
index c61ffbb..03b3573 100644
|
|
--- a/contrib/addtiffo/tif_overview.c
|
|
+++ b/contrib/addtiffo/tif_overview.c
|
|
@@ -65,6 +65,8 @@
|
|
# define MAX(a,b) ((a>b) ? a : b)
|
|
#endif
|
|
|
|
+#define TIFF_DIR_MAX 65534
|
|
+
|
|
void TIFFBuildOverviews( TIFF *, int, int *, int, const char *,
|
|
int (*)(double,void*), void * );
|
|
|
|
@@ -91,6 +93,7 @@ uint32 TIFF_WriteOverview( TIFF *hTIFF, uint32 nXSize, uint32 nYSize,
|
|
{
|
|
toff_t nBaseDirOffset;
|
|
toff_t nOffset;
|
|
+ tdir_t iNumDir;
|
|
|
|
(void) bUseSubIFDs;
|
|
|
|
@@ -147,7 +150,16 @@ uint32 TIFF_WriteOverview( TIFF *hTIFF, uint32 nXSize, uint32 nYSize,
|
|
return 0;
|
|
|
|
TIFFWriteDirectory( hTIFF );
|
|
- TIFFSetDirectory( hTIFF, (tdir_t) (TIFFNumberOfDirectories(hTIFF)-1) );
|
|
+ iNumDir = TIFFNumberOfDirectories(hTIFF);
|
|
+ if( iNumDir > TIFF_DIR_MAX )
|
|
+ {
|
|
+ TIFFErrorExt( TIFFClientdata(hTIFF),
|
|
+ "TIFF_WriteOverview",
|
|
+ "File `%s' has too many directories.\n",
|
|
+ TIFFFileName(hTIFF) );
|
|
+ exit(-1);
|
|
+ }
|
|
+ TIFFSetDirectory( hTIFF, (tdir_t) (iNumDir - 1) );
|
|
|
|
nOffset = TIFFCurrentDirOffset( hTIFF );
|
|
|
|
diff --git a/tools/tiff2pdf.c b/tools/tiff2pdf.c
|
|
index 984ef65..832a247 100644
|
|
--- a/tools/tiff2pdf.c
|
|
+++ b/tools/tiff2pdf.c
|
|
@@ -68,6 +68,8 @@ extern int getopt(int, char**, char*);
|
|
|
|
#define PS_UNIT_SIZE 72.0F
|
|
|
|
+#define TIFF_DIR_MAX 65534
|
|
+
|
|
/* This type is of PDF color spaces. */
|
|
typedef enum {
|
|
T2P_CS_BILEVEL = 0x01, /* Bilevel, black and white */
|
|
@@ -1051,6 +1053,14 @@ void t2p_read_tiff_init(T2P* t2p, TIFF* input){
|
|
uint16* tiff_transferfunction[3];
|
|
|
|
directorycount=TIFFNumberOfDirectories(input);
|
|
+ if(directorycount > TIFF_DIR_MAX) {
|
|
+ TIFFError(
|
|
+ TIFF2PDF_MODULE,
|
|
+ "TIFF contains too many directories, %s",
|
|
+ TIFFFileName(input));
|
|
+ t2p->t2p_error = T2P_ERR_ERROR;
|
|
+ return;
|
|
+ }
|
|
t2p->tiff_pages = (T2P_PAGE*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,directorycount,sizeof(T2P_PAGE)));
|
|
if(t2p->tiff_pages==NULL){
|
|
TIFFError(
|
|
diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
|
|
index 91a38f6..e466dae 100644
|
|
--- a/tools/tiffcrop.c
|
|
+++ b/tools/tiffcrop.c
|
|
@@ -217,6 +217,8 @@ extern int getopt(int argc, char * const argv[], const char *optstring);
|
|
#define DUMP_TEXT 1
|
|
#define DUMP_RAW 2
|
|
|
|
+#define TIFF_DIR_MAX 65534
|
|
+
|
|
/* Offsets into buffer for margins and fixed width and length segments */
|
|
struct offset {
|
|
uint32 tmargin;
|
|
@@ -2233,7 +2235,7 @@ main(int argc, char* argv[])
|
|
pageNum = -1;
|
|
else
|
|
total_images = 0;
|
|
- /* read multiple input files and write to output file(s) */
|
|
+ /* Read multiple input files and write to output file(s) */
|
|
while (optind < argc - 1)
|
|
{
|
|
in = TIFFOpen (argv[optind], "r");
|
|
@@ -2241,7 +2243,14 @@ main(int argc, char* argv[])
|
|
return (-3);
|
|
|
|
/* If only one input file is specified, we can use directory count */
|
|
- total_images = TIFFNumberOfDirectories(in);
|
|
+ total_images = TIFFNumberOfDirectories(in);
|
|
+ if (total_images > TIFF_DIR_MAX)
|
|
+ {
|
|
+ TIFFError (TIFFFileName(in), "File contains too many directories");
|
|
+ if (out != NULL)
|
|
+ (void) TIFFClose(out);
|
|
+ return (1);
|
|
+ }
|
|
if (image_count == 0)
|
|
{
|
|
dirnum = 0;
|